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Day 4 Severe Weather Outlook. A depicted severe weather area indicates a 30% or higher probability for severe thunderstorms within 25 miles of a point.
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| D4 |
Tue, Apr 26, 2011 - Wed, Apr 27, 2011 |
D7 |
Fri, Apr 29, 2011 - Sat, Apr 30, 2011 |
| D5 |
Wed, Apr 27, 2011 - Thu, Apr 28, 2011 |
D8 |
Sat, Apr 30, 2011 - Sun, May 01, 2011 |
| D6 |
Thu, Apr 28, 2011 - Fri, Apr 29, 2011 |
(All days are valid from 12 UTC - 12 UTC) |
| Note: A severe weather area depicted in the Day 4-8 period indicates a 30% or higher probability for severe thunderstorms within 25 miles of any point. |
| PREDICTABILITY TOO LOW is used to indicate severe storms may be possible based on some model scenarios. However, the location or occurrence of severe storms are in doubt due to: 1) large differences in the deterministic model solutions, 2) large spread in the ensemble guidance, and/or 3) minimal run-to-run continuity. |
| POTENTIAL TOO LOW means the threat for a regional area of organized severe storms appears highly unlikely during the entire period (e.g. less than a 30% probability for a regional severe storm area across the CONUS through the entire Day 4-8 period). |
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